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    Erectile Dysfunction Health Center

    Symptoms & Types

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    Erectile dysfunction is different from other conditions that affect sexual intercourse. Here's information on the symptoms of ED, and whether treatment is needed.

    Symptoms

    Being unable to have or keep an erection adequate for sexual activity is the defining mark of erectile dysfunction. The problem may manifest itself in several ways.

    Types

    After all, erections do start in the brain.

    Priapism is a persistent, usually painful, erection that lasts for more than four hours and occurs without sexual stimulation.

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